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Checking to see if one array's elements are in another array in PHP
...s then why in PHP docs about this function they say "Returns FALSE if var em>x m>ists and has a non-empty, non-zero value. Otherwise returns TRUE. The following things are considered to be empty: array() (an empty array)"? Source: php.net/manual/en/function.empty.php
– Pere
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Check if a string is a date value
...th this as it will still return return for invalid dates in February, for em>x m>ample: 2013-02-31
– leojh
Feb 13 '13 at 22:47
62
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How to avoid using Select in Em>x m>cel VBA
I've heard much about the understandable abhorrence of using .Select in Em>x m>cel VBA, but am unsure of how to avoid using it. I am finding that my code would be more re-usable if I were able to use variables instead of Select functions. However, I am not sure how to refer to things (like the Activ...
What em>x m>actly are iterator, iterable, and iteration?
...aking each item of something, one after another. Any time you use a loop, em>x m>plicit or implicit, to go over a group of items, that is iteration.
In Python, iterable and iterator have specific meanings.
An iterable is an object that has an __iter__ method which returns an iterator, or which defines ...
What is the purpose of the : (colon) GNU Bash builtin?
...r than true for portability to ancient Bourne-derived shells. As a simple em>x m>ample, consider having neither the ! pipeline operator nor the || list operator (as was the case for some ancient Bourne shells). This leaves the else clause of the if statement as the only means for branching based on em>x m>it ...
Numpy - add row to array
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What is m>X m>? If it is a 2D-array, how can you then compare its row to a number: i < 3?
EDIT after OP's comment:
A = array([[0, 1, 2], [0, 2, 0]])
m>X m> = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from m>X m> w...
Getting output of system() calls in Ruby
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I'd like to em>x m>pand & clarify chaos's answer a bit.
If you surround your command with backticks, then you don't need to (em>x m>plicitly) call system() at all. The backticks em>x m>ecute the command and return the output as a string. You can th...
asp.net mvc: why is Html.CheckBom>x m> generating an additional hidden input
I just noticed that Html.CheckBom>x m>("foo") generates 2 inputs instead of one, anybody knows why is this so ?
10 Answers
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What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
Can anybody give a clear em>x m>planation of how variable assignment really works in Makefiles.
6 Answers
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What is the most efficient way to concatenate N arrays?
...e way to go for convenience and likely performance.
var a = [1, 2], b = ["m>x m>", "y"], c = [true, false];
var d = a.concat(b, c);
console.log(d); // [1, 2, "m>x m>", "y", true, false];
For concatenating just two arrays, the fact that push accepts multiple arguments consisting of elements to add to the ar...